Why? On Wednesday, 20 November 2013, Damian Gonzalez wrote:
> Hello, > > I have a problem with movistar in Mexico with a sip calls. Movistar send > to me T38 and G729 in the INVITE and they say that I have to ignore T38 and > use G729 in the voice call. > > When a fax call is made Movistar send only T38 in the INVITE. > > Invite example: > > v=0 > o=GDL-BMSW-12D 19913379 19899826 IN IP4 192.168.1.2 > s=sip call > c=IN IP4 192.168.1.2 > t=0 0 > m=audio 6370 RTP/AVP 18 101 > a=fmtp:18 annexb=yes > a=rtpmap:101 telephone-event/8000 > a=fmtp:101 0-15 > a=ptime:20 > m=image 6372 udptl t38 > a=T38FaxVersion:0 > a=T38FaxMaxBuffer:1100 > a=T38FaxMaxDatagram:612 > a=T38MaxBitRate:14400 > a=T38FaxRateManagement:transferredTCF > a=T38FaxUdpEC:t38UDPRedundancy > > How can I ignore T38 and use only G729 for this call?. > > Thanks for your help. > > Damian > > > -- > >
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